Portable oral suction device



FIG. 1 is a perspective view of a portable oral suction device;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing on the front of the article represents an internal boundary with the line itself and the area within forming no part of the claimed design. 

CLAIM The ornamental design for a portable oral suction device, as shown and described. 